diff options
Diffstat (limited to 'test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t')
4 files changed, 60 insertions, 0 deletions
diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign2.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign2.pass.cpp index 7f223af57414..e28f906c05bb 100644 --- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign2.pass.cpp +++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/assign2.pass.cpp @@ -12,12 +12,22 @@ // template<> struct char_traits<char16_t> // static void assign(char_type& c1, const char_type& c2); +// constexpr in C++17 #include <string> #include <cassert> #include "test_macros.h" +#if TEST_STD_VER > 14 +constexpr bool test_constexpr() +{ + char16_t c = u'1'; + std::char_traits<char16_t>::assign(c, u'a'); + return c == u'a'; +} +#endif + int main() { #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS @@ -26,5 +36,9 @@ int main() std::char_traits<char16_t>::assign(c, u'a'); assert(c == u'a'); #endif + +#if TEST_STD_VER > 14 + static_assert(test_constexpr(), "" ); +#endif #endif // _LIBCPP_HAS_NO_UNICODE_CHARS } diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/compare.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/compare.pass.cpp index 7356097a6677..b4be1402ad1c 100644 --- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/compare.pass.cpp +++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/compare.pass.cpp @@ -12,12 +12,23 @@ // template<> struct char_traits<char16_t> // static int compare(const char_type* s1, const char_type* s2, size_t n); +// constexpr in C++17 #include <string> #include <cassert> #include "test_macros.h" +#if TEST_STD_VER > 14 +constexpr bool test_constexpr() +{ + return std::char_traits<char16_t>::compare(u"123", u"223", 3) < 0 + && std::char_traits<char16_t>::compare(u"223", u"123", 3) > 0 + && std::char_traits<char16_t>::compare(u"123", u"123", 3) == 0; +} +#endif + + int main() { #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS @@ -43,5 +54,9 @@ int main() assert(std::char_traits<char16_t>::compare(u"133", u"123", 3) > 0); assert(std::char_traits<char16_t>::compare(u"124", u"123", 3) > 0); #endif + +#if TEST_STD_VER > 14 + static_assert(test_constexpr(), "" ); +#endif #endif // _LIBCPP_HAS_NO_UNICODE_CHARS } diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/find.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/find.pass.cpp index 22db05b55a87..852451cb827e 100644 --- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/find.pass.cpp +++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/find.pass.cpp @@ -12,10 +12,24 @@ // template<> struct char_traits<char16_t> // static const char_type* find(const char_type* s, size_t n, const char_type& a); +// constexpr in C++17 #include <string> #include <cassert> +#include "test_macros.h" + +#if TEST_STD_VER > 14 +constexpr bool test_constexpr() +{ + constexpr const char16_t *p = u"123"; + return std::char_traits<char16_t>::find(p, 3, u'1') == p + && std::char_traits<char16_t>::find(p, 3, u'2') == p + 1 + && std::char_traits<char16_t>::find(p, 3, u'3') == p + 2 + && std::char_traits<char16_t>::find(p, 3, u'4') == nullptr; +} +#endif + int main() { #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS @@ -26,5 +40,9 @@ int main() assert(std::char_traits<char16_t>::find(s1, 3, char16_t(4)) == 0); assert(std::char_traits<char16_t>::find(s1, 3, char16_t(0)) == 0); assert(std::char_traits<char16_t>::find(NULL, 0, char16_t(0)) == 0); + +#if TEST_STD_VER > 14 + static_assert(test_constexpr(), "" ); +#endif #endif // _LIBCPP_HAS_NO_UNICODE_CHARS } diff --git a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/length.pass.cpp b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/length.pass.cpp index ff5a2a934a9f..5d882bde2f5a 100644 --- a/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/length.pass.cpp +++ b/test/std/strings/char.traits/char.traits.specializations/char.traits.specializations.char16_t/length.pass.cpp @@ -12,12 +12,21 @@ // template<> struct char_traits<char16_t> // static size_t length(const char_type* s); +// constexpr in C++17 #include <string> #include <cassert> #include "test_macros.h" +#if TEST_STD_VER > 14 +constexpr bool test_constexpr() +{ + return std::char_traits<char16_t>::length(u"") == 0 + && std::char_traits<char16_t>::length(u"abcd") == 4; +} +#endif + int main() { #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS @@ -28,5 +37,9 @@ int main() assert(std::char_traits<char16_t>::length(u"aaa") == 3); assert(std::char_traits<char16_t>::length(u"aaaa") == 4); #endif + +#if TEST_STD_VER > 14 + static_assert(test_constexpr(), "" ); +#endif #endif // _LIBCPP_HAS_NO_UNICODE_CHARS } |